The word "wallahs" means "a person who is associated with a particular kind of work or who does a particular kind of thing." Some synonyms for wallahs include experts, professionals, specialists, practitioners, authorities, and connoisseurs. Each of these words describes someone who is proficient or skilled in a certain area or trade. Experts have extensive knowledge and experience in a particular field. Professionals have specialized training and expertise in a given profession. Specialists focus on a particular area of expertise. Practitioners are skilled in a particular practical skill or craft. Authorities have significant knowledge and expertise within a specific domain. Connoisseurs are individuals who have a deep appreciation and understanding of a particular subject, such as art or wine.