Skills for Interaction

While the rogue negotiates with the guildmaster, the dragonborn barbarian's presence alone convinces the guildmaster to be more amenable.

After the orc warlord is slain, the cleric consoles the warlord's young daughter and prevents her from doing something foolhardy.

The wizard details to the sultan his logical case that the vizier was the only person with motive and means to murder the crown prince.

Characters with high charisma will always have a big advantage in social situations, but that doesn't mean that all the other characters sit around and watch. A character with high intelligence can use logic and reason to win an argument, while a character with high wisdom can empathize and soothe others.