From Sahih Bukhari (Hadith 4308):
Narrated Mujashi bin Masud:I took Abu Mabad to the Prophet (ﷺ) in order that he might give him the pledge of allegiance for migration. The Prophet (ﷺ) said, "Migration has gone to its people, but I take the pledge from him (i.e. Abu Mabad) for Islam and Jihad
Reference: Bukhari 4308