Confident Male Teacher with Pointer and Book

Full body portrait of a middle-aged male teacher, gray hair, wearing glasses, light blue button-up shirt, khaki beige trousers, black leather shoes, black belt, holding a wooden pointer stick raised in one hand and a dark hardcover book tucked under the other arm, confident friendly expression, standing pose facing camera, studio photography, isolated on pure white background, professional stock photo style, soft even studio lighting, sharp focus, clean commercial photography