Underpay
/ˌʌndərˈpeɪ/
Definition 1 of 1
Pro Tip 1/3Work Value
Underpay implies the work's value exceeds the compensation given. 
Despite long hours, the chef felt underpaid.
Pro Tip 2/3Deserved Amount
Underpay suggests a person receives less than they deserve based on agreement or fairness. 
She was underpaid compared to her colleagues.
Pro Tip 3/3Wage Issues
Underpay often deals with wage problems and can cause employee dissatisfaction. 
After realizing how much he was underpaid, he requested a raise.