The current research paper dwells on analyzing the immigration officers characterization in Kamila Shmasie Home Fire (2017). Characterization is an area in literature and it is the writers area where he creates his own characters. This research is going to shed light on an important character created by Shamsie. Analysis of the character will be a linguistic one. Systemic Functional Linguistics (SFL) will be utilized as a framework. The concentration is on the role of transitivity in showing the hidden ideology in the immigration officers at Heathrow Airport. In this research, a quantitative methodology is utilized to show the process types. The main unit is the clause. The corpus linguistic tool used in this research is UAM software. The ideology that the research shows is hatred. Hatred against Muslims and anything related to Muslim Immigrants in the West in general. The research aims at showing how linguistics has helped to an extent in the analysis of the literary text. The research is valuable to stylists and researchers who are interested in considering linguistics in their literary analysis and students of literature as well. A brief consideration of Transitivity is presented and a brief introduction of AUM is shown for the benefit of the researchers.