It depends upon the culture. You add "ophile" to the end of the country such as "francophile."
biologist
patriot
Patriot.
A boylover
A nerd
Phylomath
Logophile
sellotapist
A Lush.
Aquaphile
Greedy
It depends what culture, you use that word and add a suffix "phile" at the end. e.g. Germanophile, if its's English it would be Anglophile and French is Francophile...