opponent
Definition
A person who competes against or opposes someone in a contest, conflict, or debate.
हिन्दी एक प्रतियोगिता, संघर्ष या बहस में किसी के खिलाफ प्रतिस्पर्धा करने वाला व्यक्ति।
Example
"The chess player studied his opponent's previous games carefully."