Vigilant (adjective)
خبردار، چونکنا، محتاط
keeping careful watch for possible danger or difficulties.
Example: “the burglar was spotted by vigilant neighbours”
Assertion (noun)
حتمی موقف، اقرار واثق، دعویٰ
a confident and forceful statement of fact or belief.
Example: “his assertion that his father had deserted the family”