What word has a negative connotation? answer immature

Cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

What is articulating thoughts and ideas effectively using oral written and non-verbal skills a part of

Our coach’s idea of food for the entire wrestling team was tiny sandwiches and fruit.