Focus on the pronunciation of insider
English definition of “insider”
/ɪnˈsaɪdər/ noun [C]
› WORKPLACE someone who is part of a group, or who works for a company or an organization and therefore has special knowledge or influence: She has an insider's view of the often brutal nature of trading in the stock market. an industry insider
› WORKPLACE, FINANCE someone who is in a high position in a company, or someone who owns ten or more percent of shares in a company: a company insider This form needs to be filled out by any newly appointed corporate insider.