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It certainly belongs to the order of Ensifera (crickets, grasshopers, etc.) and perhaps a true cricket (Gryllidae). Couldn't tell for sure, though. African Arthropods aren't exactly my strong suit.
Still, make sure it's dead. Loads of crickets tend to be pests.

At least it's not a Libanasidus vittatus, or Parktown Prawn. Those are vile bastards.