Let’s look at important things here –
Moon - Moon represents Mind, Emotions, Mother, Local Government, Peace of Mind, Home Environment, Water, Milk etc.
Bharani – Bharani is nakshatra of death and re-birth, occult/hidden side of life and instabilities. This nakshatra is also connected with sexuality and attraction. As it is ruled by Venus, the significance of wealth, finance and creativity naturally comes to this nakshatra. For detailed information on Bharani Nakshatra, please check this link -https://www.astrosaxena.com/Bharanaksh .
Aries – As Bharani is part of Aries, Aries sign and its representations become important here. Aries is the 1st sign of zodiac belt, so it represents the things and energy of 1st house of horoscope like Self, Personality etc. Besides that, Aries is the sign of our individuality, our aggression, our actions, our competitive ability etc. Aries is ruled by Mars and it is consisted of 2 and half Nakshatras named Ashwini, Bharani and Krittika.
Mars – As Mars rules Aries, Mars’ position and dignity is important to know about the overall functioning of any planet in Aries.
Venus – Likewise as Venus rules Bharani, Venus's position and dignity is important to know about the overall functioning of any planet in Bharani.
Houses Involved – Also, we can’t afford to forget the houses involved as a planet can be ruling different houses and sitting in different house for every person as per ascendant and planet’s position. To know overall affect, we have to consider the houses involved as those areas of life are being impacted.
Interpretation of Moon in Bharani Nakshatra – Now, when Moon is in Bharani Nakshatra, person's mind is working in the realm of Bharani. As Bharani's deity is Lord Yama, it is a nakshatra of all occult and death & re-birth type of things. So, when Moon is in Bharani, mind naturally gets inclined towards researching the secrets of universe. They are naturally into occult side of life and about researching about death & re-birth and re-incarnation. Even if they are watching a YT video, it will be related with these topics. Their mind and mother's life can go through lots of changes and instability. It also shows someone having desire to work in fields like fertility, reproduction and child care. It is more so because Moon represents Mother. As Bharani is connected with sexuality, their mind can be inclined towards sexuality more than others. Person can also be inclined towards professions related with Sex.
Needless to say that as Moon represents Mother, they may inherit most of these traits from their Mother.
Role of Mars – As Aries is ruled by Mars, its placement is important to guide Moon in right direction.
Role of Venus – Likewise, Venus's placement is important to guide Moon in right direction, being Bharani's lord.
Other Factors – And of course, we need to consider conjunction, aspects, house lordship, house position and dashas etc to know the exact results of Moon in Bharani. So, we always need to take a holistic view of chart rather than just 1 planetary position.
Conclusion – So, this is how I see Moon in Bharani can work in a chart.