(dated) person unable to read; an illiterate / (dated) inability to read; illiteracy

answering one's own question

to answer one's own question

specialist; expert

pupil (student) / studying under a teacher

a kind of 家紋 (kamon, “family crest”) featuring the nandina in the design

coat hanger, hanger, kimono rack

outside of one's field of expertise

Montréal (a commune of the Ardèche department, Auvergne-Rhône-Alpes, France) / Montréal (a commune of the Aude department, Occitanie, France)

disciple, follower, protégé