Final answer:
The pillar of the House of Lean that advocates a 'Get out of the office' mindset is 'Respect for People'. This encourages management to directly engage with workers in their environment and is closely related to the 'Gemba' concept where leaders observe work processes in their actual location. so, option A is the correct answer.
Step-by-step explanation:
The House of Lean is a metaphor commonly used to describe the principles of lean thinking in a business context. Of the four pillars of the House of Lean, the one that advocates a "Get out of the office" mindset is C) Respect for People. This pillar emphasizes the importance of management engaging with employees in their work environment to understand the challenges they face and to help improve processes through direct observation. This approach aligns with the concept known as 'Gemba' which means 'the real place' in Japanese, where value is created and encourages leaders to observe the work process at the place where it happens.
The other pillars, such as Just-In-Time (efficient workflow), Jidoka (error-free production), and Kaizen (continuous improvement), support this mindset but Respect for People is more closely associated with the idea of getting out into the field to directly engage with and respect the insights of every worker.