Upon discovering his noble lineage, his slave master Thomas Foster, began referring to him as "Prince", a title by which Abdul Rahman would remain synonymous until his final days.
Setelah mengetahui garis keturunannya yang mulia, Tuannya Thomas Foster, mulai menyebutnya Pangeran (Prince), sebuah gelar dimana Abdul Rahman akan tetap identik sampai hari-hari terakhirnya.