(i) Queen

(ii) Malkah (4436) - feminine 'Melek' (King); a queen:

From a primitive root; to reign; inceptively, to ascend the throne; causatively, to induct into royalty; hence (by implication) to take counsel:

To rule and reign.

(iii) Overcomers (rule and reign with Jesus).

(iv) (a) 6:8,9