I think there can be some aggressive Fe-doms, but it would feel a lot different from an aggressive Te-dom. An example of one that comes to my mind is a professor I had at the university who was a pianist. He was very confident and was able to "toot his own horn" so to speak, but he did it in an effective way. When speaking with him, he was able to make you feel like he was absolutely amazing, but so were you. That created a type of charisma that people were really drawn towards. He always had a smile and an energy that made him seem physically bigger than he actually was. His presence was very large. When teaching, he made a lot of eye contact, would walk amongst the desks to connect to the students. He always tended to stand close to you when talking. I would describe the epitome of an assertive Fe-dom as being extremely confident in their own abilities, being able to make people around them catch some of that feeling for themselves, and to make strong social connections through eye contact, close presence, smiles, and physical gestures. A Te-dom is going to focus on the dominance of their plans and ideas, and being "right".
I'm not certain what an aggressive INFJ would feel like. I'm more aggressive online, so that might show one example, but I'm not irl. They may convey an intensity of feeling in their eyes. They would refuse to back down on their moral positions, they may make a strong effort to convince people of their position in a one-on-one context. They might also present an extreme personae or ideas - perhaps Marilyn Manson is an aggressive INFJ? His extremeness does feel aggressive.