opportunist
Definition
A person who takes advantage of circumstances, often unethically, to gain personal benefit.
हिन्दी एक व्यक्ति जो परिस्थितियों का लाभ उठाता है, अक्सर अनैतिक तरीके से, व्यक्तिगत लाभ प्राप्त करने के लिए।
Example
"Critics accused the politician of being an opportunist when she changed her stance to win votes."