It is narrated from Yunus that Hasan (may Allah have mercy on him) narrated: If a person helps someone, he is among the Muslims, that is, the Muslims will be his heirs. Sufyan said: We also say the same.
Hadith Referenceسنن دارمي / من كتاب الفرائض / 3065
Hadith Gradingتحقیق (حسین سلیم أسد الدارانی):إسناده صحيح إلى كل من الشعبي، [مكتبه الشامله نمبر: 3075]
Hadith Takhrijاس اثر کی سند شعبی اور حسن رحمہما اللہ تک صحیح ہے۔ دیکھئے: [ابن أبى شيبه 11631] ، [عبدالرزاق 9875] ، [ابن منصور 206]
Sayyiduna Tamim ad-Dari (may Allah be pleased with him) says: I asked the Messenger of Allah (peace and blessings be upon him): O Messenger of Allah! If a person from among the disbelievers accepts Islam at the hands of a Muslim, what is the ruling regarding him? The Prophet (peace and blessings be upon him) said: “The one who brought him to Islam is closer to him, in both his life and his death.”
Hadith Referenceسنن دارمي / من كتاب الفرائض / 3066
Hadith Takhrijاس حدیث کی سند بمجموع الطرق صحیح ہے۔ دیکھئے: [بخاري تعليقًا فى الفرائض، باب إذا أسلم على يديه] ، [أبوداؤد 2918] ، [ترمذي 2112] ، [ابن ماجه 2752] ، [أحمد 102/4] ، [أبويعلی 7165]
It is narrated from Mansur that Ibrahim Nakha'i (may Allah have mercy on him) was asked about mixed people (Ahl al-Sadad) (where Muslims and non-Muslims are mixed), when one of them accepts Islam at the hands of a Muslim? He said: Blood money will be given on his behalf and the one who brought him to Islam will be his heir.
Hadith Referenceسنن دارمي / من كتاب الفرائض / 3067
Hadith Gradingتحقیق (حسین سلیم أسد الدارانی):إسناده صحيح إلى إبراهيم النخعي، [مكتبه الشامله نمبر: 3077]
Hadith Takhrijابراہیم نخعی رحمہ اللہ تک اس اثر کی سند صحیح ہے۔ دیکھئے: [عبدالرزاق 9873] ، [ابن منصور 204] ، [المحلی 58/11-59]