Friends or foes

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Across
  1. 4. someone who doesn't like spending time with other people is ...
  2. 5. any person who you know
  3. 7. someone who is not good at inventing new things
  4. 8. any member of your family
Down
  1. 1. someone who makes people believe something that is not true
  2. 2. someone who wants the same thing as you is your ...
  3. 3. someone who shares an apartment with you
  4. 6. someone who behaves in a sensible way, like an adult