士 - gentleman, scholar, samurai

doctor; PhD; Dr.

authorized architect and builder; licensed architect; registered architect

expert; learned person

tax counsellor; tax counselor; licensed tax accountant

dietitian; (licensed) nutritionist

sumo wrestler; rikishi

certified public accountant

accountant

astronaut

professional shogi player; professional go player

(medieval) knight

swordsman; swordswoman; fencer