skeptic
Perhaps naive, impressionable.
The definition of the word gullible is someone who is naive or easily persuaded to believe or do something. It can also mean they are innocent and a follower.
A person easily convinced to believe something, not a bad word but you could hurt someone's feelings or cause embarrassment if applying it incorrectly
Skeptical .
Resilient.
Gullible: Easily persuaded to believe something
The word "accessible" refers to something that is easily reached, entered, or used, especially for people with disabilities. It can also describe something that is easily understood or available to a wide range of people.
KNACK
faith
There is no such word as beleive. However "Believe" means to think that something is true or correct
unbreakable
i believe it would be incorrect