Introduce the following topic with a sentence.
Volunteerism
Volunteerism is the act of willingly dedicating time and effort to help others without expecting any financial compensation.
Complete the following task based on the instruction and optional input provided.### Instruction:
Introduce the following topic with a sentence.

### Input:
Volunteerism

### Output:
Volunteerism is the act of willingly dedicating time and effort to help others without expecting any financial compensation.