A person or group is nonpartisan when it does not support the ideas of any particular political party or group.
When you are in jeopardy, you are in danger or trouble of some kind.
A counterpart to something else corresponds to it, is a copy of it, or is practically identical to it.
A particular thing or person is one thing or person you pick out of many other ones.
When you participate in something, such as a game, you take part in it or join in.
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