worker vs labour

worker and labour both are nouns.

Word	Noun	Adjective	Verb	Adverb
worker	Yes	No	No	No
labour	Yes	No	Yes	No

worker (noun)	labour (noun)
sterile member of a colony of social insects that forages for food and cares for the larvae	productive work (especially physical work done for wages)
a person who works at a specific occupation	any piece of work that is undertaken or attempted
a member of the working class (not necessarily employed)	a social class comprising those who do manual labor or work for wages
a person who acts and gets things done	an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement
	concluding state of pregnancy; from the onset of contractions to the birth of a child

worker (verb)	labour (verb)
	undergo the efforts of childbirth
	work hard
	strive and make an effort to reach a goal