A burqa is primarily worn by Muslim women to be in compliance with the Koran.
The Koran broadly states that all men and women should cover themselves and be modest.
Some women follow this by wearing a hijab. Some follow this by wearing a burqa. It really depends on what brand of Islam the woman grew up with and follows today.
So, the answer is to follow the Koran in being modest.
An example of a Liberal Political Organization would be one that seeks to provide for the protection of the disenfranchised, the poor, the orphaned and so on. Most humanitarian organizations are considered as being "Liberal" due to the fact that they don't necessarily use the common model of business to operate. These organizations rely on donations and tax grants to do their work.
The Red Cross, UNICEF, Save the Children, and so on
