Meek =

• humbly patient or quiet in nature, as in under provocation from others.
• overly submissive or compliant [not argumentative]; tame, tranquil.
• Forbearing, uncomplaining, passive, unassuming, pacific [tending to make or preserve peace, not warlike], calm.
• Obedient
• Obsolete:  gentle; kind. [probably the Biblical meaning of meek]
• Word was related to Old Norse mjūkr   amenable;   compare Welsh mwytho   to soften

Humility =

• modest opinion or estimate of one’s own importance, rank, etc.
• not prideful or arrogant; modest
• courteously respectful
• Word was first recorded in 1200–50; Middle English

doormat =

• a person who offers little resistance to ill-treatment by others.
• Word was first recorded in 1655–65;

A Christian should be meek and have humility, but not be a doormat.  A Christian needs to be able to withstand temptations [with God’s help] and retain their faith when under influence and duress to not do so.  A Christian needs to NOT be a “go along” person.