teacher vs missionary

teacher and missionary both are nouns.

Word	Noun	Adjective	Verb	Adverb
teacher	Yes	No	No	No
missionary	Yes	Yes	No	No

As nouns, missionary is a hyponym of teacher; that is, missionary is a word with a more specific, narrower meaning than teacher:

teacher: a person whose occupation is teaching
missionary: someone who attempts to convert others to a particular doctrine or program

teacher (noun)	missionary (noun)
a personified abstraction that teaches	someone who attempts to convert others to a particular doctrine or program
a person whose occupation is teaching	someone sent on a mission--especially a religious or charitable mission to a foreign country

teacher (adjective)	missionary (adjective)
	relating to or connected to a religious mission