Fiqh-us-Sunnah Volume 3, Zakaat and Fasting, Fiqh 3.064.

People who are leaders and notables among the Muslims and influential among their non-believing kinsmen deserve and if given sadaqah, there is hope that their kinsmen will become Muslims. Such was the case of Abu Bakr giving ‘Adiyy ibn Hatim and az-Zibarqan ibn Badr sadaqah because of their high status among their people.