Ah, yes, he recognizes the hesitation. The reluctance to leave what he knows and to venture toward the unknown. Such feelings were rooted in fear. Obi-Wan can also sense the attachment the child has for the Mandalorian. How curious.

Is he good to you?

Did this man treat the youngster well? Obi-Wan has met many types of Mandalorians, and not all of them savory. Even so he continues to beckon the child. Sending waves of assurance and and calm, to show that he means no harm.