mover

Short definition from Wiktionary

Noun

1. 1
   Someone who or something that moves.
2. 2
   A dancer.
3. 3
   A person employed to help people move their possessions from one residence to another.
4. 4
   Someone who proposes a motion at a meeting.
5. 5
   A product that sells well.
6. 6
   A chess problem in which the solver must attain checkmate within the specified number of moves.