Explanation:

- Option 1: Multiple role

- This concept refers to a single individual taking on various roles across different contexts within their life. For example, being a parent, employee, and student simultaneously.

- Option 2: Role-set

- A role-set consists of the different roles associated with a particular social status. For instance, a teacher might have roles related to students, parents, and school administration.

- Option 3: Role-taking

- This is the process by which an individual assumes the role of another, understanding their perspective, often seen in empathy or social interactions.

- Option 4: Role model

- A role model is a person looked up to by others as an example to be emulated due to their behavior, achievements, or qualities.

Based on the provided concepts, Option 1: Multiple role is indeed the correct answer for a person handling various life roles at once.