IPA: /ˈtɔɪlər/
KK: /ˈtɔɪlər/
A person who works hard, especially at physical tasks.
The toiler spent long hours in the fields, ensuring a good harvest.
Toiler → It is formed from "toil" (from Old French *toiler*, meaning to labor or work hard) and the suffix "-er" (meaning a person who). A toiler is a person who works hard or labors.
Think of someone who is 'laboring' ('toil') and the '-er' indicates that this person is doing the work. A toiler is someone who works hard.