A struggling businessman has his world upended when a train explosion leaves him wounded in an untamed jungle. He’ll have to survive the elements, the wildlife and a forgotten tribe if he ever wants to see his family again.

Here's my 'newbie' first poke,

Title: TAKEOVER TARGET

After a plane crash in the amazon jungle, a corporate raider is captured by a primitive tribe and must help them defeat their rivals in order to stay alive and escape back to civilization.

(34 words)

I really like those cuts, Richiev- I wouldn't describe the antagonist as arrogant. He is weak though. The story is kind of a find your strength in your freedom story.
And the tribe actually ends up helping him do this...

When a train explosion leaves a craven urbanite wounded in the Amazon, he must find the strength to find his way back to civilization.

Maybe something along these lines.

After an overseas business trip goes wrong, a struggling white collar worker finds himself wounded and stranded in an hostile African jungle and must get to the last train before the monsoon season hits.