Dictionaries are your friend.

Conjurer
noun
1. a person who conjures spirits or practices magic; magician.
2. a person who practices legerdemain; juggler.
3. a person who solemnly charges or entreats.

Thaumaturge
noun
a worker of wonders or miracles; magician.

Pugilist
noun
a person who fights with the fists; a boxer, usually a professional.

Call me crazy but I see no link between a pugilist and magic.