aider

1. A person who aids or assists.

2. A mountaineer's stirrup or étrier.

   As I was switching my feet in my aiders, the hook popped.

1. You're going to be okay; I'm a first-aider.

   CC BY 2.0 FR · Tatoeba · zumley · C2Open on TatoebaReport a problem

2. As a first-aider, Tom is morally obligated to perform CPR on someone who's had a heart attack.

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regular