読点: comma

滔天: a male given name

偸安: snatching a moment of rest / 答案: answer, exam paper

偸安: to snatch a moment of rest

等質:

忍者刀: ninja sword, ninjatō.

当用: current use / 登用: one's position, one's job assignment / 盗用: unauthorized use, plagiarism / 東洋: the Orient, the East

盗用: to use without permission, to plagiarize / 登用: to post (someone) to an office or station

(Hachijō) father

七七日: the forty-ninth day after a person dies; the Buddhist memorial service that occurs forty-nine days after a person dies