Here "son" means he is the literal son of a Pharisee and also the descendant of Pharisees. Alternate translation: "and my father and forefathers were Pharisees"
Here the word "hope" is a person's confident expectation that what he desires really will happen. The abstract noun "hope" can be translated here with the verbs "confidently expect" or "confidently wait" or "trust." The abstract noun "resurrection" can be expressed with the verb phrase "become alive again." Alternate translation: "I confidently expect the resurrection of the dead" or "I trust that the dead will become alive again" (See: rc://en/ta/man/translate/figs-abstractnouns)