To abandon; to desert or forsake someone or something, ceasing to help or support them.
困っている人を見捨てるわけにはいかない。
We cannot abandon someone who is in trouble.
嵐の中で船を見捨ててはいけない。
You must not desert the ship in a storm.
彼は仲間を見捨てて逃げたと非難された。
He was criticized for abandoning his comrades and fleeing.