social worker
UK
social worker n: ([sb] who assists local community)
SC 社会工作者 shè huì gōng zuò zhě
SC 社工 shè huì gōng zuò zhě，shè gōng
Social workers visit families if there are suspicions that the children are at risk.
如果有人怀疑这家人的孩子有危险，那么社工就会登门拜访。