According to Abraham Maslow, a psychologist, humans are inclined towards safety needs as one among several psychological needs. After the need for food and water, safety needs involve the aspirations of a certain future. Humans tend to avoid any situation that may cause them pain and uncertainty. When the safety need is not met, a negative emotional state is induced.
Assuming this is referring to the same set of options that was posted before with this questions, the answer is that "Thomas was mainly an independent thinker".
