Which of these colors does not belong?

red
orange
yellow
green
brown
blue
purple

The names of four famous people have been scrambled. They are: an explorer, a Hollywood actor/actress, a sports figure, and a world leader (though not necessarily in that order). Who are they?

1) Find, name large land.
2) No, I marry ol' men.
3) Only a Brit.
4) Server itch.

What is significant about this paragraph:

'I once found two tiny ferrets, bruised with dirt over them. I decided to help the poor mites by rinsing them off using some tinctured liquid. They soon seemed brighter. Within two weeks I set them free, into the wild. They seemed very delighted with this. I enjoyed it very much.'

Many contestants entered the unicycle race, but only the best multi-tasking clown came out on top, considering that each had to juggle clubs while trying to win the race! Most of the pack were soon disqualified after dropping a club or falling off the unicycle. In the end, four of the best clowns crossed the finish line. From this information and the clues below, can you determine each clown's full (real) name, club color (one is silver), and ...