One-word substitution (view of human sincerity): Select the correct term for a person who has little faith in human goodness, motives, and sincerity. Context: The word typically describes a skeptical, distrustful outlook toward people’s intentions. Instruction: Choose the best single-word substitute from the options.

Given data

• Definition sought: one who doubts human sincerity/goodness.
• Options: Egoist, Fatalist, Stoic, Cynic.

Concept / Approach
A cynic believes people are motivated chiefly by self-interest; hence little faith in sincerity. Other terms describe different philosophies.

Option-by-option analysis
Egoist — self-centered person; not necessarily skeptical of others. ❌Fatalist — believes all events are predetermined; not about judging others’ motives. ❌Stoic — practices endurance of pain/pleasure without complaint; again unrelated. ❌Cynic — distrustful of human motives and sincerity. ✅

Example
‘‘He sounded like a cynic, dismissing charitable acts as self-promotion.’’

Final Answer
Cynic