How might a social psychologist explain the behavior of a person who acts refined, well-mannered, and articulate while at work, but after work, with his friends, acts in a loud, boorish, and obnoxious manner

He is playing different roles in the 2 settings, with different sets of socially expected behaviors.

Explanation:

Social expectations for behavior are complex to understand because different communities have different notions of expected and unexpected social behavior. The aim of teaching socially expected behaviors to help our people learn to interpret social interactions more carefully and to realize that behavior is related to the feelings of others. It explains what each individual feels about the actions of others affects how people treat each other.

im sorry i wish i can but try google

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.