(sports) someone in charge of training an athlete or a team | the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause |
one who trains or exhibits animals | an active and efficient cause; capable of producing a certain effect |
an agent who handles something or someone | a businessman who buys or sells for another in exchange for a commission |
| a representative who acts on behalf of other persons or organizations |
| any agent or representative of a federal agency or bureau |
| a substance that exerts some force or effect |