Represents the team in almost all matters regarding the match
Participates in the "toss" (coin toss) for selection of serve, receive or court
Signs the score sheet before and after the match
Is the game captain while on the court, and must assign another player on the court (but not the libero) to assume the role of the game captain when not on the court
Is the only player who can talk to the officials to ask for explanation on the application or interpretation of the rules, submit the request or questions of his/her teammates, and record an official protest on the score sheets at the end of the match if he/she does not agree with the explanation of the 1st referee
Is authorized to request for regular interruptions (time-out/substitution), change all or parts of the equipment, verify the positions of teams, and check the floor, net, ball, etc.
Does not have the passing responsibilities, stands behind the "passers" on the rotation while the libero and outside hitters pass the ball and places himself/herself to the left front or right back playing position
Usually gets the most sets in the game
Carries the responsibility of hitting the ball against a solid block when the pass is off the net
Needs to have great blocking skills since he/she play against the opposite hitter of the opponent or opponent's outside hitter when in the front row
Needs to have defensive skills because he/she also plays at the back row where he/she is responsible for hitting 3 meters to 10 feet ball from the right back position
Main responsibility is to stop the opponent's offense
Builds block which stops the ball or allows the team to dig the ball up
Stops the opponent's middle hitters or wing hitters in cooperation with teammates
Needs to have great blocking, attacking and serving skills
In the back row, usually plays defense on one rotation after an own serve, and a libero usually comes in and replaces the middle blocker after losing the rally after an own serving turn
Back row specialist who is allowed to play back court only
Wears a different color shirt in the team and is allowed to enter and exit the game without substitution request
Can replace any player on the court, most often replaces middle blockers
Is not allowed to serve the ball
Needs to have the best passing and defensive skills in the team, and exceptional serve receive skills because, most often he/she passes a larger area than other serve receivers in the team
Directs the match from the start until the end, has authority over all members of the refereeing corps and the members of the team
Decisions are final, authorized to overrule the decisions of the other members of the refereeing corps if they have committed a mistake
May replace a member of the refereeing corps who is not performing his/her functions properly
Controls the work of the ball retrieves, floor wipers and moppers
Has the power to decide any matter involving the game including those not provided for in the Rules
Shall not permit any discussion about his/her decisions
Will give an explanation on the application or interpretation of the Rules upon which he/she has based the decision as requested by the game captain
Is responsible for determining before and during the match whether the playing area equipment and the conditions meet playing requirements
Prior to the match, inspects the condition of the playing area, the balls and other equipment, performs the toss with the team captains, and controls the team's warming-up
During the match, is authorized to issue warnings to the teams, sanction misconduct and delays, and decide upon various faults
At the end of the match, checks the score sheet and signs it
Is the assistant of the first referee, but has also his/her own range of jurisdiction
May replace the first referee if the first referee is unable to continue his/her work
Controls the work of the scorer(s)
May, without whistling, signal faults outside his/her range of jurisdiction, but may not insist on them to the first referee
Supervises the team members on the team bench and reports their misconduct to the first referee
Controls the players in the warm-up areas
Authorizes the interruptions, controls their duration and reflects improper requests
Controls the number of time-outs and substitutions used by each team and reports the 2nd time-outs and 5th and 6th substitutions to the first referee and the coach concerned
In the case of an injury of players, authorizes an exceptional substitution or grants a 3 minute recovery time
Checks the floor condition, mainly in the front zone, and also checks during the match, that the balls still fulfill the regulations
Supervises the team members in the penalty areas and reports their misconduct to the first referee