When Daymaster jia甲日主 on the EB
  • zi 子is at birth stage長生, zi has hidden HS gui癸,  gui is the DR正印 for jia.  This person could be kind of scholar-personality, full of sentiments, passion.
  • chou丑 ia at young stage冠帶, chou is the tomb stage墓庫 for xin辛, and xin is the OF正官 for jia. So, OF is at tomb stage官星入墓. The person could be highly relying on others, lack of initiative. In case of lady, could be her hubby star at tomb.
  • mao卯 is at prime, prosperous stage帝旺, mao has hidden yi乙,  yi is the SB劫財 for jia. If lack of geng庚, the person could be just full of ideas,  idealistic thinking but not into practical execution, so hardly have achievements.
  • chen辰 is at decling stage衰, chen is the tomb墓庫 for HS gui癸,  gui is the DR 正印for jia. So, DR is at the tomb stage印星入墓. The person is being observed with appreciations for his office work performance and righteous personality. 
Above were just using single pillar for simple judgement. Certainly,the accuracy and comprehensive of the person's personality and destiny profile would still require the consideration of his entire 4 pillars for analysis.