What disorder is being described here? Jamal an 11-year-old boy, lives in a rural family of lower socioeconomic status. He has had repetition of acts, irritability and adoption of abnormal postures...

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Extracted text: What disorder is being described here? Jamal an 11-year-old boy, lives in a rural family of lower socioeconomic status. He has had repetition of acts, irritability and adoption of abnormal postures for the past 6 months. He comes from a loving family, had an uneventful birth, and pregnancy. His teachers have noticed a decline in attending to his studies, poor attention, and difficulty memorizing for 2 years. He attributed it to lack of friends at school and asked for a school change. He has no history of low mood, depressive cognitions, conduct problems, or bullying and he performs his daily routine like he would regularly. In the last year, he has been observed to repeat certain acts such as pacing in the room from one end to another continuously for up to two hours with intermittent stops and often insisted his mother follow suit, stand near him, or he would cling to her. A few months ago, he prohibited other family members except his mother near him and would accept his meals only from her. He repeatedly seeks the assurance of his mother. He also washed his hands repeatedly, up to 10-20 times at one time. His mood is largely irritable with no sadness or fearfulness. He mostly wears the same set of clothes, would be forced to take bath or get his nails/hair trimmed, and efforts to these were often met with aggression from him. Eventually, he stopped going to school and his family sought faith healing. Within the next 5-6 months, his illness worsened. Fixed gaze, reduced eye blinking, smiling out of context, diminished speech, and refusal to eat food are some of the symptoms displayed.