This study is to find out an attempt to verify the mentoring role of trust between mentoring function received and work attitude. For this purpose, national and international level NGOs working in multisectorial of Khyber Pakhtunkhwa have been selected through stratified sampling techniques. 273 questionnaires were distributed among various employees in selected Districts. Out of which, 246 questionnaires were included for research analysis purposes. The responses of the respondents were measured through a structured questionnaire having a five-point Likert scale. Mentoring function has been found as a dependent variable, while work attitude has been termed as the independent variable. Mentoring function has been further categorized into two subclasses, i.e. career development and psychological support and work attitude have further elaborated into job satisfaction. It can be included that career support and psychological support are significant with job satisfaction, and there is a positive relationship between dependent and independent variables.