underserved

Short definition from Wiktionary

Adjective

1. 1
   Underresourced; not having sufficient service.
2. 2
   Underresourced; not having sufficient service: Disadvantaged with regard to health services because of inability to pay, inability to access care, or other disparities for reasons of race, religion, language group or social status.
3. 3
   Underresourced; not having sufficient service: Poorly served.

Verb

1. 1
   simple past and past participle of underserve