Someone that plans harm or misfortune for others may also inadvertently be the recipient of that same misfortune.

One cannot always overcome a powerful adversary.

One should treat others as one would like others to treat oneself; an expression of the golden rule.

A person who claims or believes that their soul, essence, or identity is non-human.

(now dialectal or poetic) Some others.

(now dialectal or poetic) Some other; various.

Otherwise; by another means; in other respects / (obsolete) Otherwise; in different circumstances. / (Scotland, obsolete) In a similar or comparable way; similarly.

plural of otherisation

Pertaining to something or someone else; different. / Pertaining or directed toward others; otherish.

(nonstandard) Otherwise; differently.