Someone who likes sports is often referred to as a "sports enthusiast" or "sports fan." They typically have a strong interest in following teams, players, and events across various sports. Additionally, the term "athlete" can describe someone who actively participates in sports.
i like sports
you call them bitefull
One can purchase gifts for someone who likes sports from many retailers. Amazon, Target, Steinersports, and uncommongoods are some examples of such retailers.
a traveller...
belligerent
sharp
a geologist
Pyromaniac.
geek
a traveller...
There is no special name for a person who likes squirrels.
a troublemaker?