宣せん誓せい人じんMeanings1nounaffiant; deponentLegal term for a person who makes a sworn statement in an affidavit.宣せん誓せい人じんは、宣せん誓せい供きょう述じゅつ書しょに署しょ名めいする前まえに内ない容ようを確かく認にんしなければならない。The affiant must review the contents before signing the affidavit.