rigger vs craftsman

rigger and craftsman both are nouns.

Word	Noun	Adjective	Verb	Adverb
rigger	Yes	No	No	No
craftsman	Yes	No	No	No

As nouns, craftsman is a hypernym of rigger; that is, craftsman is a word with a broader meaning than rigger:

Other hypernyms of rigger include artificer, artisan, journeyman.

rigger (noun)	craftsman (noun)
a long slender pointed sable brush used by artists	a skilled worker who practices some trade or handicraft
a sailing vessel with a specified rig	a creator of great skill in the manual arts
someone who rigs ships	a professional whose work is consistently of high quality
someone who works on an oil rig