According to your sign and symptom you are suffering from some infection like lump on the left cheek near the jaw.
As you know that best treatment depend on the correct diagnosis and correct diagnosis depend on the complete history of the patient so please take consultation from a doctor and give complete history of the patient so that correct diagnosis will be make and then best treatment will be start
Next Steps
If that lump associated with pain then It can be due to infection in the gland like in submandibular gland ,parotid gland etc .
If there's no pain then its can be as lipoma ,fibroma etc..
For correct diagnosis and best treatment take consultation.
Health Tips
Please follow good life style.