You should 'seek' medical help immediately if you experience any chest pain or shortness of breath.
thrill-'seeking' travelers [=travelers who want to have very exciting/thrilling experiences]
They are 'seeking compensation/damages' [=they are trying to get money] for their loss.
(..) And we can end this! My Lord... Might it be less... I should not be more prudent to call off this attack. Simply seek the boy. Yourself. I do not need to seek the boy... ... before the night is out, he will come to me! Do you understand? Look at me! (..)2011 Harry Potter and the Deathly Hallows: Part 2
(..) Helena Ravenclaw, Rowena's daughter. Are you a friend of Luna's? Yes. And she thought you might be able to help me. You seek my mother's diadem? Yes. That's right. Luna is kind. Unlike so many of the others. But she was wrong, I cannot help you! (..)2011 Harry Potter and the Deathly Hallows: Part 2