noun
condolence caller; mourner paying a visit
Refers to a person who visits the bereaved family to offer condolences, typically at a wake or funeral.
葬儀場には多くの弔問客が訪れた。
Many condolence callers visited the funeral hall.
会葬者 is a more general term for funeral attendees, while 弔問客 specifically emphasizes the act of offering condolences.
Compound of 弔問 (condolence visit) and 客 (guest, visitor).