所谓专业发展，指的是教师在教师职业生涯中所获得和履行的经验和实践所产生的专业成长。据（Carlos Marcelo 2009）“教师专业发展是教师专业成长的交流要求由于他/她的经验和系统地分析自己的实践”。像巴基斯坦这样的发展中国家，教师是学生知识和智慧的主要来源为根据（威利L.孔巴&艾曼纽nkumbi 2008）在大多数发展中国家，教育意味着教师。由于缺乏教师的指导和基本的文本，教师是学生知识、技能、智慧、正确的方向、灵感和榜样的重要来源。因此，教师在促进有意义教育的过程中起着关键作用，学生的学习结果受到教师素质的影响。没有人能否认培训由于资源和质量的重要性（阿卜杜勒Ghani bin阿卜杜拉、Austin Machana Samupwa和Naser Jamil Alzaidiyeen 2009）说明教师培训的原因主要有两个重要。第一，考虑到教育、特别是培训本身所耗费的大量资源，必须确保这些财政资源得到充分利用。英国埃塞克斯论文代写:教师专业发展.其次，在受过良好教育的学生有良好的态度的形式输出的数量和质量将决定着领导的类型、管理和员工的纳米比亚会在未来，它也经常被观察到的个性和态度，教师对个人绩效为根据（罗宾斯，Millett，cacioppe和水域沼泽1998，p. 28）个人绩效是由人格、调节价值、态度与能力的个体，在组合中，影响他们的观念和动机，并最终影响个体的绩效。
By professional development we mean the professional growth that is result of experiences and practices teacher gains and performs during his/her job career in teaching profession. According to (Carlos Marcelo 2009) "The professional development of teacher is the professional growth the teacher acquires as a result of his/her experience and systematic analysis of his/her own practice". In developing country like Pakistan, teachers are the key source of knowledge and wisdom for students as according to (Willy L. Komba & Emmanuel Nkumbi 2008) in most developing countries, education means teachers. Due to lack of teacher's guides and essential texts, invariably, teachers are the key source of knowledge, skills, wisdom, appropriate orientations, inspiration and models for the students. As a consequence, the teacher is central in facilitating the processes that lead to meaningful education and pupils' learning outcomes are affected by teacher quality. No one can deny the importance of training due to resources and quality as (Abdul Ghani Bin Abdullah, Austin Machana Samupwa, and Naser Jamil Alzaidiyeen 2009) stated teacher training is important for two main reasons. Firstly, considering the vast resources which are being spent on education, and particularly training itself, it is essential to ensure that these financial resources are well utilized. Secondly, the quality and quantity of the output in the form of well educated students with good attitudes will determine the type of leadership, management and workforce Namibia will have in future.It has also been observed frequently that Personality and attitudes of teacher affects the individual performance as according to (Robbins, Millett, Cacioppe and Waters-Marsh 1998, p. 28) individual performance is moderated by the personality, values, attitudes and ability of the individual which, in combination, affect their perceptions and motivation, and ultimately influence individual performance.