IPA: /ˈrɪskər/
KK: /ˈrɪskər/
A person who takes chances or engages in risky activities.
As a risker, she often invests in new and uncertain business ventures.
Risker → The word 'risker' is formed from 'risk' (from Middle French *risque*, meaning danger or peril) and the suffix '-er' (meaning a person who). A risker is a person who takes risks or engages in risky behavior.
Think of someone who is a 'person' ('-er') associated with 'danger' ('risk') — that's why a risker is someone who takes risks.