"Whether the purpose of [a] director in exercising his [or her] powers and discharging his [or her] duties was improper depends on the purpose, which the person exercising the power, has. It is the person's purpose that has to be assessed. The assessment of whether that purpose was improper is objective."

With reference to the above statement, the Corporations Act 2001 (Cth) and relevant case law

What do the terms 'good faith" and "for a proper purpose" mean as they are used in section 181 of the Corporations Act 2001 (Cth)? and relevant case law to that explanation