Jester, e.g

Usage examples of amuser.

There was a good deal of merriment to divert our attention, for there were clowns and merry-andrews passing along the highroad, with singlestick players, Punch and Judy shows, and other public amusers.

There now: not only do I have mammals for parents, but I am myself my own uncle, these 3-V amusers of children are always everyone's uncle.