自分

Verb

 * 1)  to evaluate oneself; to assess oneself; to self-estimate

Noun

 * 1) oneself
 * : I, me (often shows the speaker's lower position in a hierarchy than the addressee)
 * 1)  you
 * : I, me (often shows the speaker's lower position in a hierarchy than the addressee)
 * 1)  you
 * : I, me (often shows the speaker's lower position in a hierarchy than the addressee)
 * 1)  you

Usage notes

 * means “oneself”, with meaning “by oneself, by one’s own efforts”. By contrast,  and  mean rather “alone”. Compare doing an assignment by oneself (without help) versus doing an assignment alone (without any other person around).