There is a misfire on the fifth cylinder.
There are a lot of possibilities for causes of a misfire. They have to be checked one at a time. It could be the spark plug, wire, or coil pack. Fuel injector or vacuum leak. It could be a mechanic problem. If you need assistance, a qualified mechanic from YourMechanic can come and diagnose your misfiring issue to get your car back safely on the road.