Thailand

... The Constitution of the Kingdom of Thailand (Interim), B.E. 2557 (2014) Amendment (No. 1), B.E. 2558 (2015) accordingly provides that there shall be a Constitution Drafting Committee to draft a Constitution to be used as the principle of governance and as a guide for preparing organic laws and other laws by prescribing new mechanisms to reform and strengthen the governance of the country. This is to be carried out by: ... guaranteeing, safeguarding and protecting Thai people’s rights and liberties more clearly and inclusively by holding that the Thai people’s rights and liberties are the principle, ...
The successful implementation of these matters demands cooperation among the people from all parts and all agencies of the State, in accordance with the direction of the Civil State, pursuant to the rules under the principles of a democratic regime of government and constitutional conventions that are suited to the situation and the nature of Thai society, the principles of good faith, human rights and good governance. This will in turn drive the country to progressively develop and become stable, prosperous and sustainable, politically, economically and socially, under the democratic regime of government with the King as Head of State. ... (Preamble)

Human dignity, rights, liberties and equality of the people shall be protected.
The Thai people shall enjoy equal protection under this Constitution. (Sec. 4)

As regards the rights and liberties of the Thai people, in addition to the rights and liberties as guaranteed specifically by the provisions of the Constitution, a person shall enjoy the rights and liberties to perform any act which is not prohibited or restricted by the Constitution or other laws, and shall be protected by the Constitution, insofar as the exercise of such rights or liberties does not affect or endanger the security of the State or public order or good morals, and does not violate the rights or liberties of other persons.
Any right or liberty stipulated by the Constitution to be as provided by law, or to be in accordance with the rules and procedures prescribed by law, can be exercised by a person or community, despite the absence of such law, in accordance with the spirit of the Constitution. ... (Sec. 25)

All persons are equal before the law, and shall have rights and liberties and be protected equally under the law.
Men and women shall enjoy equal rights. ...
Measures determined by the State in order to eliminate an obstacle to or to promote a person’s ability to exercise their rights or liberties on the same basis as other person or to protect or facilitate children, women, the elderly, persons with disabilities or underprivileged persons shall not be deemed as unjust discrimination under paragraph three. ... (Sec. 27)