student vs learner

student and learner both are nouns.

Word	Noun	Adjective	Verb	Adverb
student	Yes	No	No	No
learner	Yes	No	No	No

As nouns, student and learner are synonyms defined as:

student and learner: someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs

Other synonyms of student include assimilator, scholar.

student (noun)	learner (noun)
a learner who is enrolled in an educational institution	someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs
someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs	works for an expert to learn a trade