彼を説きさとして非を認めた。

he; him; his; boyfriend

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to explain; to advocate; to preach; to persuade

as (i.e. in the role of); for (i.e. from the viewpoint of); apart from... (used to change the topic); even (e.g. "not even a single person"); thinking that...; trying to...

fault; error; mistake; going poorly; being disadvantageous; being unfavorable; un-; non-; an-

to write up