locum,representative,deputy
Standing in someone else's shoes means to put yourself in someone else's situation, to see what they're going through, to feel what they're feeling.
solitary
adversary antagonist opponent
Imposter
a copycat
A Professional
To resemble someone means to look like them.
The correct singular possessive form is someone else's.Example: That is someone else's problem.Note: The word 'someone' is an indefinite pronoun. The word 'else' is an adverb. The pronoun and adverb combination is functioning as a compound noun.
A gemuse buddee.
No, paraphrasing is restating someone else's ideas or words in your own words, while quoting is directly copying someone else's words.
freedom from bieng ruled by someone else
he though he knew me, but he mistook me for someone else