Given a sentence in Igbo language, translate the sentence to English language keeping the meaning of the original sentence intact

Igbo sentence: The naanị ihe àmà nke ọ bụla agbụrụ slurs bịara mgbe Jeantel were guzoro na akaebe na mgbe ọ bụ na ekwentị Trayvon, Trayvon akpọ George a "Creepy ass mgbape," na mgbe e mesịrị a "nigga".
The only evidence of any racial slurs came when Jeantel took the stand and testified that while she was on the phone with Trayvon, Trayvon called George a "creepy ass cracka," and later a "nigga ".