に

About

に can be used as an indirect object marker. When dealing with verbs of giving and receiving, に can mark either the giver or receiver, depending on the verb.

For あげる, "to give", に marks the receiver of something or some action.

For くれる, "to give", に marks the receiver of something or some action (the speaker).

For もらう, "to receive", に marks the person who gives something to or performs an action for the recipient (the speaker).

Summary

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  に can be used as an indirect object marker

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  For あげる and くれる, に marks the receiver

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  For もらう, に marks the person who does an action/gives something to the speaker