WordWeb Online

1. A person who participates in or is skilled at some game
   - participant
    
2. Someone who plays a music as a profession
   - musician, instrumentalist, muso [Brit, informal]
    
3. A theatrical performer
   - actor, histrion, thespian, role player
    
4. A person who pursues a number of different social and sexual partners simultaneously
    
5. Someone who takes part in an activity
   "he was a major player in setting up the corporation";
   - participant

Derived forms: players

Type of: associate, contestant, individual, mortal, performer, performing artist, person, somebody, someone, soul

Part of: musical group, musical organisation [Brit], musical organization

Encyclopedia: Player, Gary