[爲, wéiㄨㄟˊ] variant of 為|为; as (i.e. in the capacity of); to take sth as; to act as; to serve as; to behave as; to become; to be; to do, See Also: 為, 为#15625
[见义勇为 / 見義勇爲, jiàn yì yǒng wéiㄐㄧㄢˋ ㄧˋ ㄩㄥˇ ㄨㄟˊ] to see what is right and act courageously (成语 saw, from Analects); to stand up bravely for the truth; acting heroically in a just cause#14716