diligent; industrious

diligence, assiduity, industry.

a student (usually of a university, sometimes of a high school)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

student ID card; student ID

enrolled student; current student

student movement

student body; student association