Final answer:
Performing 'duties' for people can be considered consideration in a legal sense. When you fulfill your obligations, it can be viewed as consideration.
Step-by-step explanation:
Performing certain 'duties' for people can be considered consideration in a legal sense. In contract law, consideration refers to something of value given in exchange for a promise or performance. When you perform these duties for people, you are fulfilling your obligations, which can be viewed as consideration. For example, if you have a contract to provide a service to someone and you fulfill your duty by performing that service, your performance can be considered consideration for the other party.