Answer:
Individuals cannot be compelled by government force to reveal information in which said individual would be incriminated. This is rephrased as "the right to remain silent".
Sorry i don’t speak English
If you're asking in which period of his live would a Native American most likely practice hunting and gathering, then the answer is during his childhood and teenage years. The reason for this is that the father or parents in general would teach their kids these important skills during their adolescence so that when they would be adults, they would be able and would know how to do them already.
Ancient Mesopotamia society members held jobs such as slaves, priests, farmers, weavers, tradesmen, pottery, and herdsman. Your character could interact with a member of society with any one of these occupations (even with the King of Mesopotamian society) depending on their societal status. Keep in mind that priests were of the upper class and slaves were of the lower class. Also note that there was no rigid structure to societal class so at anytime a person's societal status could potentially change.
Keep in mind that two major cultural groups existed during this time period in this area. This includes the Sumerians (responsible for temples and palaces, city states, and first writings) and the Akkadians (established the first Mesopotamian empire). These two groups existed together peacefully for the most part. Your character could belong to one of these cultural groups.