探求者 Tankyuusha (searcher, pursuer)
The word seeker is a singular noun. The plural form would be seekers.
The enchanted seeker found the Fountain of Youth that he destined to have.
Applicant
A synonym for "knowledge seeker" could be "intellectual" or "scholar."
طالب
Two words.
Synonyms for the word prospector are; explorer, miner, sourdough, seeker.
bounder, self-seeker, thankless person
liberal and freedom seeker and A symbol of victory.
Attention seeker, attentive, any synonym of the word attention really
This is not a Japanese word.
Japanese does not have a word for "it."