Has my provision been cut off due to my dismissal from work following an argument with an official, or did the official cause my provision to be cut off? And is there any advice for facing this continuous interruption of provision?

Know that everything that happens is by the decree of Allah Almighty. He decreed your departure from work and your quarrel to be a cause for that. No one can cut off another's provision, for Allah is the Provider, and what He has decreed for you will come to you. Rely upon Allah, for He is one of the greatest means of attracting provision. What befell you was not destined to miss you, and what missed you was not destined to befall you. Strive in supplication, and exert your utmost effort in taking the means to search for another job.