When you push and elbow your way through a crowd, this is an example of a time when you jostle your way through the crowd.
When you compete for a position at work, this is an example of a time when you jostle for position.
Jostled against the others on the crowded platform.
Jostled through the guests to the bar.
Jostled with several others for the job.
Messengers who jostle pedestrians on the sidewalk.
Jostled my way through the mob.
Jostled a major shareholder for control of the business.
Jostled the bag of food, and the dog came running.