Talk with people who do the cleaning job around your house and school.
Since when have they been doing this work?
How much have they studied?
Have they tried to look for some other work?
Did the elders in their family also do this work?
What kind of difficulties do they face in doing this work?
Disclaimer: The purpose of this section is to make the students interact respectfully with the people around them. The process also calls for observation and gathering information. Considering the sustenance of this process the answer to the same has not been provided.