a tricky slope this arc will be...if he gives too much info he will be found out before he is strong enough...but i think if its me i would let a huge hint to the info broker to find the asura lady to find him lol
Family seal should still be there. He can just activate it? They would know, And the search for reconnecting, continues. The Individual with the sword as big as a star, could be the individual, who he met in the cliffs, when he was banished.