draughtsman vs skilled worker

draughtsman and skilled worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
draughtsman	Yes	No	No	No
skilled worker	Yes	No	No	No

As nouns, skilled worker is a hypernym of draughtsman; that is, skilled worker is a word with a broader meaning than draughtsman:

Other hypernyms of draughtsman include skilled workman, trained worker.

draughtsman (noun)	skilled worker (noun)
a skilled worker who draws plans of buildings or machines	a worker who has acquired special skills