If the information in the article is correct. Apparently, Ali Khatib showed up at open tryouts on his own. If he has a contract with a Palestinian league team, he violated that contract. The only way this could be considered "poaching" is if it can be proved that the Hapoel Haifa management knew he had a contract with the Jabal Mukkaber team and offered him a contract in spite of that. The burden of proof is on the accuser.
India hangs only man sentenced to die for 1993 Mumbai blasts (AP)
from the article: Israel-Palestinian conflict moves to the soccer pitch