noun
Refers to a person you do something with, such as a friend, partner, or someone you spend time with.
飲みに行く相手がいなくて寂しい。
I'm lonely because I have no one to go drinking with.
彼はいい相
He is a good person to talk to.
noun
other party; addressee; counterparty
Used in formal, business, or legal contexts to refer to the person or entity you are dealing with, such as in a contract, negotiation, or correspondence.
契約の相手方を確認してください。
Please confirm the other party to the contract.
メールの相手を間違えた。
I sent the email to the wrong person.
noun
Used in sports, games, competitions, or conflicts to refer to the person or team you are facing.
次の試合の相手は強いチームだ。
Our opponent in the next match is a strong team.
彼は議論の相手としては手強い。
He is a tough opponent in a debate.